Commit | Line | Data |
---|---|---|
6d33b6be LZ |
1 | /****************************************************************************** |
2 | * | |
3 | * Module Name: uttrack - Memory allocation tracking routines (debug only) | |
4 | * | |
5 | *****************************************************************************/ | |
6 | ||
7 | /* | |
25f044e6 | 8 | * Copyright (C) 2000 - 2013, Intel Corp. |
6d33b6be LZ |
9 | * All rights reserved. |
10 | * | |
11 | * Redistribution and use in source and binary forms, with or without | |
12 | * modification, are permitted provided that the following conditions | |
13 | * are met: | |
14 | * 1. Redistributions of source code must retain the above copyright | |
15 | * notice, this list of conditions, and the following disclaimer, | |
16 | * without modification. | |
17 | * 2. Redistributions in binary form must reproduce at minimum a disclaimer | |
18 | * substantially similar to the "NO WARRANTY" disclaimer below | |
19 | * ("Disclaimer") and any redistribution must be conditioned upon | |
20 | * including a substantially similar Disclaimer requirement for further | |
21 | * binary redistribution. | |
22 | * 3. Neither the names of the above-listed copyright holders nor the names | |
23 | * of any contributors may be used to endorse or promote products derived | |
24 | * from this software without specific prior written permission. | |
25 | * | |
26 | * Alternatively, this software may be distributed under the terms of the | |
27 | * GNU General Public License ("GPL") version 2 as published by the Free | |
28 | * Software Foundation. | |
29 | * | |
30 | * NO WARRANTY | |
31 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
32 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
33 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR | |
34 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
35 | * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
36 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
37 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
38 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | |
39 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING | |
40 | * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | |
41 | * POSSIBILITY OF SUCH DAMAGES. | |
42 | */ | |
43 | ||
44 | /* | |
45 | * These procedures are used for tracking memory leaks in the subsystem, and | |
46 | * they get compiled out when the ACPI_DBG_TRACK_ALLOCATIONS is not set. | |
47 | * | |
73a3090a | 48 | * Each memory allocation is tracked via a doubly linked list. Each |
6d33b6be | 49 | * element contains the caller's component, module name, function name, and |
73a3090a | 50 | * line number. acpi_ut_allocate and acpi_ut_allocate_zeroed call |
6d33b6be LZ |
51 | * acpi_ut_track_allocation to add an element to the list; deletion |
52 | * occurs in the body of acpi_ut_free. | |
53 | */ | |
54 | ||
55 | #include <acpi/acpi.h> | |
56 | #include "accommon.h" | |
57 | ||
58 | #ifdef ACPI_DBG_TRACK_ALLOCATIONS | |
59 | ||
60 | #define _COMPONENT ACPI_UTILITIES | |
61 | ACPI_MODULE_NAME("uttrack") | |
62 | ||
63 | /* Local prototypes */ | |
d8da9151 BM |
64 | static struct acpi_debug_mem_block *acpi_ut_find_allocation(struct |
65 | acpi_debug_mem_block | |
66 | *allocation); | |
6d33b6be LZ |
67 | |
68 | static acpi_status | |
69 | acpi_ut_track_allocation(struct acpi_debug_mem_block *address, | |
70 | acpi_size size, | |
71 | u8 alloc_type, | |
72 | u32 component, const char *module, u32 line); | |
73 | ||
74 | static acpi_status | |
75 | acpi_ut_remove_allocation(struct acpi_debug_mem_block *address, | |
76 | u32 component, const char *module, u32 line); | |
77 | ||
78 | /******************************************************************************* | |
79 | * | |
80 | * FUNCTION: acpi_ut_create_list | |
81 | * | |
82 | * PARAMETERS: cache_name - Ascii name for the cache | |
83 | * object_size - Size of each cached object | |
84 | * return_cache - Where the new cache object is returned | |
85 | * | |
86 | * RETURN: Status | |
87 | * | |
88 | * DESCRIPTION: Create a local memory list for tracking purposed | |
89 | * | |
90 | ******************************************************************************/ | |
91 | ||
92 | acpi_status | |
93 | acpi_ut_create_list(char *list_name, | |
94 | u16 object_size, struct acpi_memory_list **return_cache) | |
95 | { | |
96 | struct acpi_memory_list *cache; | |
97 | ||
98 | cache = acpi_os_allocate(sizeof(struct acpi_memory_list)); | |
99 | if (!cache) { | |
100 | return (AE_NO_MEMORY); | |
101 | } | |
102 | ||
103 | ACPI_MEMSET(cache, 0, sizeof(struct acpi_memory_list)); | |
104 | ||
105 | cache->list_name = list_name; | |
106 | cache->object_size = object_size; | |
107 | ||
108 | *return_cache = cache; | |
109 | return (AE_OK); | |
110 | } | |
111 | ||
112 | /******************************************************************************* | |
113 | * | |
114 | * FUNCTION: acpi_ut_allocate_and_track | |
115 | * | |
116 | * PARAMETERS: size - Size of the allocation | |
117 | * component - Component type of caller | |
118 | * module - Source file name of caller | |
119 | * line - Line number of caller | |
120 | * | |
121 | * RETURN: Address of the allocated memory on success, NULL on failure. | |
122 | * | |
123 | * DESCRIPTION: The subsystem's equivalent of malloc. | |
124 | * | |
125 | ******************************************************************************/ | |
126 | ||
127 | void *acpi_ut_allocate_and_track(acpi_size size, | |
128 | u32 component, const char *module, u32 line) | |
129 | { | |
130 | struct acpi_debug_mem_block *allocation; | |
131 | acpi_status status; | |
132 | ||
133 | allocation = | |
134 | acpi_ut_allocate(size + sizeof(struct acpi_debug_mem_header), | |
135 | component, module, line); | |
136 | if (!allocation) { | |
137 | return (NULL); | |
138 | } | |
139 | ||
140 | status = acpi_ut_track_allocation(allocation, size, | |
141 | ACPI_MEM_MALLOC, component, module, | |
142 | line); | |
143 | if (ACPI_FAILURE(status)) { | |
144 | acpi_os_free(allocation); | |
145 | return (NULL); | |
146 | } | |
147 | ||
148 | acpi_gbl_global_list->total_allocated++; | |
149 | acpi_gbl_global_list->total_size += (u32)size; | |
150 | acpi_gbl_global_list->current_total_size += (u32)size; | |
151 | if (acpi_gbl_global_list->current_total_size > | |
152 | acpi_gbl_global_list->max_occupied) { | |
153 | acpi_gbl_global_list->max_occupied = | |
154 | acpi_gbl_global_list->current_total_size; | |
155 | } | |
156 | ||
157 | return ((void *)&allocation->user_space); | |
158 | } | |
159 | ||
160 | /******************************************************************************* | |
161 | * | |
162 | * FUNCTION: acpi_ut_allocate_zeroed_and_track | |
163 | * | |
164 | * PARAMETERS: size - Size of the allocation | |
165 | * component - Component type of caller | |
166 | * module - Source file name of caller | |
167 | * line - Line number of caller | |
168 | * | |
169 | * RETURN: Address of the allocated memory on success, NULL on failure. | |
170 | * | |
171 | * DESCRIPTION: Subsystem equivalent of calloc. | |
172 | * | |
173 | ******************************************************************************/ | |
174 | ||
175 | void *acpi_ut_allocate_zeroed_and_track(acpi_size size, | |
176 | u32 component, | |
177 | const char *module, u32 line) | |
178 | { | |
179 | struct acpi_debug_mem_block *allocation; | |
180 | acpi_status status; | |
181 | ||
182 | allocation = | |
183 | acpi_ut_allocate_zeroed(size + sizeof(struct acpi_debug_mem_header), | |
184 | component, module, line); | |
185 | if (!allocation) { | |
186 | ||
187 | /* Report allocation error */ | |
188 | ||
189 | ACPI_ERROR((module, line, | |
190 | "Could not allocate size %u", (u32)size)); | |
191 | return (NULL); | |
192 | } | |
193 | ||
194 | status = acpi_ut_track_allocation(allocation, size, | |
195 | ACPI_MEM_CALLOC, component, module, | |
196 | line); | |
197 | if (ACPI_FAILURE(status)) { | |
198 | acpi_os_free(allocation); | |
199 | return (NULL); | |
200 | } | |
201 | ||
202 | acpi_gbl_global_list->total_allocated++; | |
203 | acpi_gbl_global_list->total_size += (u32)size; | |
204 | acpi_gbl_global_list->current_total_size += (u32)size; | |
205 | if (acpi_gbl_global_list->current_total_size > | |
206 | acpi_gbl_global_list->max_occupied) { | |
207 | acpi_gbl_global_list->max_occupied = | |
208 | acpi_gbl_global_list->current_total_size; | |
209 | } | |
210 | ||
211 | return ((void *)&allocation->user_space); | |
212 | } | |
213 | ||
214 | /******************************************************************************* | |
215 | * | |
216 | * FUNCTION: acpi_ut_free_and_track | |
217 | * | |
218 | * PARAMETERS: allocation - Address of the memory to deallocate | |
219 | * component - Component type of caller | |
220 | * module - Source file name of caller | |
221 | * line - Line number of caller | |
222 | * | |
223 | * RETURN: None | |
224 | * | |
225 | * DESCRIPTION: Frees the memory at Allocation | |
226 | * | |
227 | ******************************************************************************/ | |
228 | ||
229 | void | |
230 | acpi_ut_free_and_track(void *allocation, | |
231 | u32 component, const char *module, u32 line) | |
232 | { | |
233 | struct acpi_debug_mem_block *debug_block; | |
234 | acpi_status status; | |
235 | ||
236 | ACPI_FUNCTION_TRACE_PTR(ut_free, allocation); | |
237 | ||
238 | if (NULL == allocation) { | |
239 | ACPI_ERROR((module, line, "Attempt to delete a NULL address")); | |
240 | ||
241 | return_VOID; | |
242 | } | |
243 | ||
244 | debug_block = ACPI_CAST_PTR(struct acpi_debug_mem_block, | |
245 | (((char *)allocation) - | |
246 | sizeof(struct acpi_debug_mem_header))); | |
247 | ||
248 | acpi_gbl_global_list->total_freed++; | |
249 | acpi_gbl_global_list->current_total_size -= debug_block->size; | |
250 | ||
251 | status = acpi_ut_remove_allocation(debug_block, | |
252 | component, module, line); | |
253 | if (ACPI_FAILURE(status)) { | |
254 | ACPI_EXCEPTION((AE_INFO, status, "Could not free memory")); | |
255 | } | |
256 | ||
257 | acpi_os_free(debug_block); | |
258 | ACPI_DEBUG_PRINT((ACPI_DB_ALLOCATIONS, "%p freed\n", allocation)); | |
259 | return_VOID; | |
260 | } | |
261 | ||
262 | /******************************************************************************* | |
263 | * | |
264 | * FUNCTION: acpi_ut_find_allocation | |
265 | * | |
266 | * PARAMETERS: allocation - Address of allocated memory | |
267 | * | |
d8da9151 BM |
268 | * RETURN: Three cases: |
269 | * 1) List is empty, NULL is returned. | |
270 | * 2) Element was found. Returns Allocation parameter. | |
271 | * 3) Element was not found. Returns position where it should be | |
272 | * inserted into the list. | |
6d33b6be LZ |
273 | * |
274 | * DESCRIPTION: Searches for an element in the global allocation tracking list. | |
d8da9151 BM |
275 | * If the element is not found, returns the location within the |
276 | * list where the element should be inserted. | |
277 | * | |
278 | * Note: The list is ordered by larger-to-smaller addresses. | |
279 | * | |
280 | * This global list is used to detect memory leaks in ACPICA as | |
281 | * well as other issues such as an attempt to release the same | |
282 | * internal object more than once. Although expensive as far | |
283 | * as cpu time, this list is much more helpful for finding these | |
284 | * types of issues than using memory leak detectors outside of | |
285 | * the ACPICA code. | |
6d33b6be LZ |
286 | * |
287 | ******************************************************************************/ | |
288 | ||
d8da9151 BM |
289 | static struct acpi_debug_mem_block *acpi_ut_find_allocation(struct |
290 | acpi_debug_mem_block | |
291 | *allocation) | |
6d33b6be LZ |
292 | { |
293 | struct acpi_debug_mem_block *element; | |
294 | ||
6d33b6be | 295 | element = acpi_gbl_global_list->list_head; |
d8da9151 BM |
296 | if (!element) { |
297 | return (NULL); | |
298 | } | |
299 | ||
300 | /* | |
301 | * Search for the address. | |
302 | * | |
303 | * Note: List is ordered by larger-to-smaller addresses, on the | |
304 | * assumption that a new allocation usually has a larger address | |
305 | * than previous allocations. | |
306 | */ | |
307 | while (element > allocation) { | |
6d33b6be | 308 | |
d8da9151 | 309 | /* Check for end-of-list */ |
6d33b6be | 310 | |
d8da9151 | 311 | if (!element->next) { |
6d33b6be LZ |
312 | return (element); |
313 | } | |
314 | ||
315 | element = element->next; | |
316 | } | |
317 | ||
d8da9151 BM |
318 | if (element == allocation) { |
319 | return (element); | |
320 | } | |
321 | ||
322 | return (element->previous); | |
6d33b6be LZ |
323 | } |
324 | ||
325 | /******************************************************************************* | |
326 | * | |
327 | * FUNCTION: acpi_ut_track_allocation | |
328 | * | |
329 | * PARAMETERS: allocation - Address of allocated memory | |
330 | * size - Size of the allocation | |
331 | * alloc_type - MEM_MALLOC or MEM_CALLOC | |
332 | * component - Component type of caller | |
333 | * module - Source file name of caller | |
334 | * line - Line number of caller | |
335 | * | |
d8da9151 | 336 | * RETURN: Status |
6d33b6be LZ |
337 | * |
338 | * DESCRIPTION: Inserts an element into the global allocation tracking list. | |
339 | * | |
340 | ******************************************************************************/ | |
341 | ||
342 | static acpi_status | |
343 | acpi_ut_track_allocation(struct acpi_debug_mem_block *allocation, | |
344 | acpi_size size, | |
345 | u8 alloc_type, | |
346 | u32 component, const char *module, u32 line) | |
347 | { | |
348 | struct acpi_memory_list *mem_list; | |
349 | struct acpi_debug_mem_block *element; | |
350 | acpi_status status = AE_OK; | |
351 | ||
352 | ACPI_FUNCTION_TRACE_PTR(ut_track_allocation, allocation); | |
353 | ||
354 | if (acpi_gbl_disable_mem_tracking) { | |
355 | return_ACPI_STATUS(AE_OK); | |
356 | } | |
357 | ||
358 | mem_list = acpi_gbl_global_list; | |
359 | status = acpi_ut_acquire_mutex(ACPI_MTX_MEMORY); | |
360 | if (ACPI_FAILURE(status)) { | |
361 | return_ACPI_STATUS(status); | |
362 | } | |
363 | ||
364 | /* | |
d8da9151 BM |
365 | * Search the global list for this address to make sure it is not |
366 | * already present. This will catch several kinds of problems. | |
6d33b6be LZ |
367 | */ |
368 | element = acpi_ut_find_allocation(allocation); | |
d8da9151 | 369 | if (element == allocation) { |
6d33b6be | 370 | ACPI_ERROR((AE_INFO, |
d8da9151 | 371 | "UtTrackAllocation: Allocation (%p) already present in global list!", |
6d33b6be | 372 | allocation)); |
6d33b6be LZ |
373 | goto unlock_and_exit; |
374 | } | |
375 | ||
d8da9151 | 376 | /* Fill in the instance data */ |
6d33b6be LZ |
377 | |
378 | allocation->size = (u32)size; | |
379 | allocation->alloc_type = alloc_type; | |
380 | allocation->component = component; | |
381 | allocation->line = line; | |
382 | ||
383 | ACPI_STRNCPY(allocation->module, module, ACPI_MAX_MODULE_NAME); | |
384 | allocation->module[ACPI_MAX_MODULE_NAME - 1] = 0; | |
385 | ||
d8da9151 | 386 | if (!element) { |
6d33b6be | 387 | |
d8da9151 BM |
388 | /* Insert at list head */ |
389 | ||
390 | if (mem_list->list_head) { | |
391 | ((struct acpi_debug_mem_block *)(mem_list->list_head))-> | |
392 | previous = allocation; | |
393 | } | |
394 | ||
395 | allocation->next = mem_list->list_head; | |
396 | allocation->previous = NULL; | |
6d33b6be | 397 | |
d8da9151 BM |
398 | mem_list->list_head = allocation; |
399 | } else { | |
400 | /* Insert after element */ | |
6d33b6be | 401 | |
d8da9151 BM |
402 | allocation->next = element->next; |
403 | allocation->previous = element; | |
404 | ||
405 | if (element->next) { | |
406 | (element->next)->previous = allocation; | |
407 | } | |
408 | ||
409 | element->next = allocation; | |
410 | } | |
6d33b6be LZ |
411 | |
412 | unlock_and_exit: | |
413 | status = acpi_ut_release_mutex(ACPI_MTX_MEMORY); | |
414 | return_ACPI_STATUS(status); | |
415 | } | |
416 | ||
417 | /******************************************************************************* | |
418 | * | |
419 | * FUNCTION: acpi_ut_remove_allocation | |
420 | * | |
421 | * PARAMETERS: allocation - Address of allocated memory | |
422 | * component - Component type of caller | |
423 | * module - Source file name of caller | |
424 | * line - Line number of caller | |
425 | * | |
d8da9151 | 426 | * RETURN: Status |
6d33b6be LZ |
427 | * |
428 | * DESCRIPTION: Deletes an element from the global allocation tracking list. | |
429 | * | |
430 | ******************************************************************************/ | |
431 | ||
432 | static acpi_status | |
433 | acpi_ut_remove_allocation(struct acpi_debug_mem_block *allocation, | |
434 | u32 component, const char *module, u32 line) | |
435 | { | |
436 | struct acpi_memory_list *mem_list; | |
437 | acpi_status status; | |
438 | ||
0e770b32 | 439 | ACPI_FUNCTION_NAME(ut_remove_allocation); |
6d33b6be LZ |
440 | |
441 | if (acpi_gbl_disable_mem_tracking) { | |
0e770b32 | 442 | return (AE_OK); |
6d33b6be LZ |
443 | } |
444 | ||
445 | mem_list = acpi_gbl_global_list; | |
446 | if (NULL == mem_list->list_head) { | |
447 | ||
448 | /* No allocations! */ | |
449 | ||
450 | ACPI_ERROR((module, line, | |
451 | "Empty allocation list, nothing to free!")); | |
452 | ||
0e770b32 | 453 | return (AE_OK); |
6d33b6be LZ |
454 | } |
455 | ||
456 | status = acpi_ut_acquire_mutex(ACPI_MTX_MEMORY); | |
457 | if (ACPI_FAILURE(status)) { | |
0e770b32 | 458 | return (status); |
6d33b6be LZ |
459 | } |
460 | ||
461 | /* Unlink */ | |
462 | ||
463 | if (allocation->previous) { | |
464 | (allocation->previous)->next = allocation->next; | |
465 | } else { | |
466 | mem_list->list_head = allocation->next; | |
467 | } | |
468 | ||
469 | if (allocation->next) { | |
470 | (allocation->next)->previous = allocation->previous; | |
471 | } | |
472 | ||
0e770b32 BM |
473 | ACPI_DEBUG_PRINT((ACPI_DB_ALLOCATIONS, "Freeing %p, size 0%X\n", |
474 | &allocation->user_space, allocation->size)); | |
475 | ||
6d33b6be LZ |
476 | /* Mark the segment as deleted */ |
477 | ||
478 | ACPI_MEMSET(&allocation->user_space, 0xEA, allocation->size); | |
479 | ||
6d33b6be | 480 | status = acpi_ut_release_mutex(ACPI_MTX_MEMORY); |
0e770b32 | 481 | return (status); |
6d33b6be LZ |
482 | } |
483 | ||
484 | /******************************************************************************* | |
485 | * | |
486 | * FUNCTION: acpi_ut_dump_allocation_info | |
487 | * | |
d8da9151 | 488 | * PARAMETERS: None |
6d33b6be LZ |
489 | * |
490 | * RETURN: None | |
491 | * | |
492 | * DESCRIPTION: Print some info about the outstanding allocations. | |
493 | * | |
494 | ******************************************************************************/ | |
495 | ||
496 | void acpi_ut_dump_allocation_info(void) | |
497 | { | |
498 | /* | |
499 | struct acpi_memory_list *mem_list; | |
500 | */ | |
501 | ||
502 | ACPI_FUNCTION_TRACE(ut_dump_allocation_info); | |
503 | ||
504 | /* | |
505 | ACPI_DEBUG_PRINT (TRACE_ALLOCATIONS | TRACE_TABLES, | |
506 | ("%30s: %4d (%3d Kb)\n", "Current allocations", | |
507 | mem_list->current_count, | |
508 | ROUND_UP_TO_1K (mem_list->current_size))); | |
509 | ||
510 | ACPI_DEBUG_PRINT (TRACE_ALLOCATIONS | TRACE_TABLES, | |
511 | ("%30s: %4d (%3d Kb)\n", "Max concurrent allocations", | |
512 | mem_list->max_concurrent_count, | |
513 | ROUND_UP_TO_1K (mem_list->max_concurrent_size))); | |
514 | ||
515 | ACPI_DEBUG_PRINT (TRACE_ALLOCATIONS | TRACE_TABLES, | |
516 | ("%30s: %4d (%3d Kb)\n", "Total (all) internal objects", | |
517 | running_object_count, | |
518 | ROUND_UP_TO_1K (running_object_size))); | |
519 | ||
520 | ACPI_DEBUG_PRINT (TRACE_ALLOCATIONS | TRACE_TABLES, | |
521 | ("%30s: %4d (%3d Kb)\n", "Total (all) allocations", | |
522 | running_alloc_count, | |
523 | ROUND_UP_TO_1K (running_alloc_size))); | |
524 | ||
525 | ACPI_DEBUG_PRINT (TRACE_ALLOCATIONS | TRACE_TABLES, | |
526 | ("%30s: %4d (%3d Kb)\n", "Current Nodes", | |
527 | acpi_gbl_current_node_count, | |
528 | ROUND_UP_TO_1K (acpi_gbl_current_node_size))); | |
529 | ||
530 | ACPI_DEBUG_PRINT (TRACE_ALLOCATIONS | TRACE_TABLES, | |
531 | ("%30s: %4d (%3d Kb)\n", "Max Nodes", | |
532 | acpi_gbl_max_concurrent_node_count, | |
533 | ROUND_UP_TO_1K ((acpi_gbl_max_concurrent_node_count * | |
534 | sizeof (struct acpi_namespace_node))))); | |
535 | */ | |
536 | return_VOID; | |
537 | } | |
538 | ||
539 | /******************************************************************************* | |
540 | * | |
541 | * FUNCTION: acpi_ut_dump_allocations | |
542 | * | |
543 | * PARAMETERS: component - Component(s) to dump info for. | |
73a3090a | 544 | * module - Module to dump info for. NULL means all. |
6d33b6be LZ |
545 | * |
546 | * RETURN: None | |
547 | * | |
548 | * DESCRIPTION: Print a list of all outstanding allocations. | |
549 | * | |
550 | ******************************************************************************/ | |
551 | ||
552 | void acpi_ut_dump_allocations(u32 component, const char *module) | |
553 | { | |
554 | struct acpi_debug_mem_block *element; | |
555 | union acpi_descriptor *descriptor; | |
556 | u32 num_outstanding = 0; | |
557 | u8 descriptor_type; | |
558 | ||
559 | ACPI_FUNCTION_TRACE(ut_dump_allocations); | |
560 | ||
561 | if (acpi_gbl_disable_mem_tracking) { | |
68aafc35 | 562 | return_VOID; |
6d33b6be LZ |
563 | } |
564 | ||
565 | /* | |
566 | * Walk the allocation list. | |
567 | */ | |
568 | if (ACPI_FAILURE(acpi_ut_acquire_mutex(ACPI_MTX_MEMORY))) { | |
68aafc35 | 569 | return_VOID; |
6d33b6be LZ |
570 | } |
571 | ||
572 | element = acpi_gbl_global_list->list_head; | |
573 | while (element) { | |
574 | if ((element->component & component) && | |
575 | ((module == NULL) | |
576 | || (0 == ACPI_STRCMP(module, element->module)))) { | |
577 | descriptor = | |
578 | ACPI_CAST_PTR(union acpi_descriptor, | |
579 | &element->user_space); | |
580 | ||
581 | if (element->size < | |
582 | sizeof(struct acpi_common_descriptor)) { | |
583 | acpi_os_printf("%p Length 0x%04X %9.9s-%u " | |
584 | "[Not a Descriptor - too small]\n", | |
585 | descriptor, element->size, | |
586 | element->module, element->line); | |
587 | } else { | |
588 | /* Ignore allocated objects that are in a cache */ | |
589 | ||
590 | if (ACPI_GET_DESCRIPTOR_TYPE(descriptor) != | |
591 | ACPI_DESC_TYPE_CACHED) { | |
592 | acpi_os_printf | |
593 | ("%p Length 0x%04X %9.9s-%u [%s] ", | |
594 | descriptor, element->size, | |
595 | element->module, element->line, | |
596 | acpi_ut_get_descriptor_name | |
597 | (descriptor)); | |
598 | ||
599 | /* Validate the descriptor type using Type field and length */ | |
600 | ||
601 | descriptor_type = 0; /* Not a valid descriptor type */ | |
602 | ||
603 | switch (ACPI_GET_DESCRIPTOR_TYPE | |
604 | (descriptor)) { | |
605 | case ACPI_DESC_TYPE_OPERAND: | |
1d1ea1b7 | 606 | |
6d33b6be LZ |
607 | if (element->size == |
608 | sizeof(union | |
609 | acpi_operand_object)) | |
610 | { | |
611 | descriptor_type = | |
612 | ACPI_DESC_TYPE_OPERAND; | |
613 | } | |
614 | break; | |
615 | ||
616 | case ACPI_DESC_TYPE_PARSER: | |
1d1ea1b7 | 617 | |
6d33b6be LZ |
618 | if (element->size == |
619 | sizeof(union | |
620 | acpi_parse_object)) { | |
621 | descriptor_type = | |
622 | ACPI_DESC_TYPE_PARSER; | |
623 | } | |
624 | break; | |
625 | ||
626 | case ACPI_DESC_TYPE_NAMED: | |
1d1ea1b7 | 627 | |
6d33b6be LZ |
628 | if (element->size == |
629 | sizeof(struct | |
630 | acpi_namespace_node)) | |
631 | { | |
632 | descriptor_type = | |
633 | ACPI_DESC_TYPE_NAMED; | |
634 | } | |
635 | break; | |
636 | ||
637 | default: | |
1d1ea1b7 | 638 | |
6d33b6be LZ |
639 | break; |
640 | } | |
641 | ||
642 | /* Display additional info for the major descriptor types */ | |
643 | ||
644 | switch (descriptor_type) { | |
645 | case ACPI_DESC_TYPE_OPERAND: | |
1d1ea1b7 | 646 | |
6d33b6be LZ |
647 | acpi_os_printf |
648 | ("%12.12s RefCount 0x%04X\n", | |
649 | acpi_ut_get_type_name | |
650 | (descriptor->object.common. | |
651 | type), | |
652 | descriptor->object.common. | |
653 | reference_count); | |
654 | break; | |
655 | ||
656 | case ACPI_DESC_TYPE_PARSER: | |
1d1ea1b7 | 657 | |
6d33b6be LZ |
658 | acpi_os_printf |
659 | ("AmlOpcode 0x%04hX\n", | |
660 | descriptor->op.asl. | |
661 | aml_opcode); | |
662 | break; | |
663 | ||
664 | case ACPI_DESC_TYPE_NAMED: | |
1d1ea1b7 | 665 | |
6d33b6be LZ |
666 | acpi_os_printf("%4.4s\n", |
667 | acpi_ut_get_node_name | |
668 | (&descriptor-> | |
669 | node)); | |
670 | break; | |
671 | ||
672 | default: | |
1d1ea1b7 | 673 | |
6d33b6be LZ |
674 | acpi_os_printf("\n"); |
675 | break; | |
676 | } | |
677 | } | |
678 | } | |
679 | ||
680 | num_outstanding++; | |
681 | } | |
682 | ||
683 | element = element->next; | |
684 | } | |
685 | ||
686 | (void)acpi_ut_release_mutex(ACPI_MTX_MEMORY); | |
687 | ||
688 | /* Print summary */ | |
689 | ||
690 | if (!num_outstanding) { | |
691 | ACPI_INFO((AE_INFO, "No outstanding allocations")); | |
692 | } else { | |
693 | ACPI_ERROR((AE_INFO, "%u(0x%X) Outstanding allocations", | |
694 | num_outstanding, num_outstanding)); | |
695 | } | |
696 | ||
697 | return_VOID; | |
698 | } | |
699 | ||
700 | #endif /* ACPI_DBG_TRACK_ALLOCATIONS */ |